US2819032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft fuselage having panel damping material
Assignee: Douglas Aircraft Co Inc
•
Filing: 1953-10-20
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Granted: 1958-01-07
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Expires: 1973-10-20
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Detrie
- 👤 Eugene J O'neil
- 👤 Paul J Stayboldt
- 👤 Matha M Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:06
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; B64; B64C; B64C1/00; B64C1/40; E; E04; E04B; E04B1/00; E04B1/62; E04B1/74
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |